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【Android Development for Beginners】 Lesson 2A : Modifying First Lines of Java Code

This Notes is according to the udacity free course :

Android Development for Beginners

Lesson 2A :  Modifying First Lines of Java Code

After paste up the Code on you MainActivity.java and run the button. Now, I introduce a simple concept for you.




We can notice  that there are 3 different methods in this java code file. No.3 is to declare the method and No.2 is to call the method.

When we change the number inside the No.2 display function
==>1 to 2
and then run your app again. The number will be changed.
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